TeX で3 行2 列に図を並べる

TeX で図を3 行2 列で並べる方法です.

\begin{figure}
・・・・
\end{figure}
を3回繰り返して並べようとしたけど,

どうしても最後の2 つが次のページに挿入されてしまうので,
figure は最初と最後だけにしました.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{figure}[htbp]
\begin{minipage}{0.5\hsize}
\begin{center}
\includegraphics[width=50mm]{Blue_hills.eps}
\end{center}
\caption{一行一列目}
\label{fig:11}
\end{minipage}
\begin{minipage}{0.5\hsize}
\begin{center}
\includegraphics[width=50mm]{Blue_hills.eps}
\end{center}
\caption{一行二列目}
\label{fig:12}
\end{minipage}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{minipage}{0.5\hsize}
\begin{center}
\includegraphics[width=50mm]{Blue_hills.eps}
\end{center}
\caption{二行一列目}
\label{fig:21}
\end{minipage}
\begin{minipage}{0.5\hsize}
\begin{center}
\includegraphics[width=50mm]{Blue_hills.eps}
\end{center}
\caption{二行二列目}
\label{fig:22}
\end{minipage}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{minipage}{0.5\hsize}
\begin{center}
\includegraphics[width=50mm]{Blue_hills.eps}
\end{center}
\caption{三行一列目}
\label{fig:31}
\end{minipage}
\begin{minipage}{0.5\hsize}
\begin{center}
\includegraphics[width=50mm]{Blue_hills.eps}
\end{center}
\caption{三行二列目}
\label{fig:32}
\end{minipage}
\end{figure}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


TeX ファイルはこちら→[ZIP] 3行2列で図を貼り付ける